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General Car Audio & SPL Discussion B B B B BASS!!!!

Thread: New York 190 something db Reply to Thread
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Topic Review (Newest First)
04-22-2008 06:41 PM
sully72482
Quote:
Originally Posted by Gebrochen View Post
*

[edit] OK, so I just remembered that cold also affects mechanical compliance of things like surrounds, plastics and vinyl car seats as well. So, do people tend to get better numbers in cold weather?
absolutely. with my own equipment I have seen an average of .5 gain with temps below freezing. lol, the fusion van, had a portable air conditioner piping cold air through duct work keeping interior at a cozy 50 degrees or so before making the run.
04-22-2008 05:55 PM
notmuchbass oh some guy in a 1/2 bagged cougar said his sh*t was the loudest in town and he was running in the 1800+ rms class at a show here in town. He hit like 145 on the meter. My buddy pulls up to the meter in a lifted Cherokee w/3 CVX 12s and a 1500.1 kicker and hits 149.2. I was laughing at the guy(mainly because he only had the front of his car bagged)what a douche
04-22-2008 05:51 PM
t00sh0rt
Quote:
Originally Posted by uhoh45 View Post
man i hit a 190 with my eyes closed with my sony explodezz

lol... eyes closed equals more ddeebbeezz
04-22-2008 05:31 PM
uhoh45 man i hit a 190 with my eyes closed with my sony explodezz
04-22-2008 04:59 PM
VikingLax18 in the port is probably what hit 190. no ones anywhere near that now.
04-22-2008 04:56 PM
possom while were talking about high numbers and ports^^^^, i wonder what scott and alan hit in the port or in some other sweet spot in there vehicles.
04-22-2008 04:56 PM
tymoto21 guy at my local audio shop said he saw one jl 10 w 3 doing 162dbz at show. in a small sealed box. i was just like wow.
04-22-2008 04:43 PM
lil_italy773 this guy told me he hit 152s with one 8








































































in the port
04-22-2008 04:29 PM
Gebrochen *In theory only since I've never heard of this being done*
I'd guess that both temperature and atmosphere pressure would only be relevant for air density. ... and that SPL meters would measure the difference between peaks and lows and therefore not be much affected by ambient air pressure. What would be strongly affected would be tuning since the weight of the air at various densities would affect port calculations. ... and of course a change in tuning would either increase or decrease SPL depending on how well it matched the tone being played.

... allowing for possibilities like a cab full of either CO2 or Helium could result in making smaller boxes yield good results. No idea which way you'd need to go to do that.

*open for any input on that*

[edit] OK, so I just remembered that cold also affects mechanical compliance of things like surrounds, plastics and vinyl car seats as well. So, do people tend to get better numbers in cold weather?
04-22-2008 03:10 PM
Krannyman92 haha 180db. but that pressurizing above ~13 psi, that would hypothetically give maybe like a 3-5db gain?
04-22-2008 03:03 PM
ndstrctbl my friend thought that the sensitivity rating equaled the Decibel output...so his 2 subs could hit 180. lol
04-22-2008 02:59 PM
txcyko i have heard shat stories like these way to many times..
04-15-2008 04:31 AM
farriswheel hey i remember that vid. no clue on how to find it though.
04-15-2008 04:11 AM
sully72482 lol, i think it's been done. At least, there's a specific rule that forbids it, which usually means that someone tried it!
04-15-2008 03:52 AM
rothshot55
Quote:
Originally Posted by creyc View Post
Thinking about it, what if one were to pre-pressurize the cabin above 1atm, yes it would increase the maximum SPL limit (191dB @ sea level) but would it also make it easier to hit a higher number?

Hmm...

hmmm what if the cab was filled with helium or perhaps xenon?


or if the temperature was raised or lowered?




i think we might have a new scientifc branch of bass racin'
04-15-2008 03:28 AM
creyc Thinking about it, what if one were to pre-pressurize the cabin above 1atm, yes it would increase the maximum SPL limit (191dB @ sea level) but would it also make it easier to hit a higher number?

Hmm...
04-15-2008 02:58 AM
SniperofGods
Quote:
Originally Posted by mattison187 View Post
i love those kind of ppl, i had a girl tell me she hit 155 with her w1v2 sealed in the trunk of her accord LOL
Lol yea, i've had buddies that have claimed to break their back windows with two 12 inch type arghs..... gotta love the i hit 15x plus and so forth.... in a prefab box
04-15-2008 02:51 AM
mattison187 i love those kind of ppl, i had a girl tell me she hit 155 with her w1v2 sealed in the trunk of her accord LOL
04-15-2008 02:43 AM
captaincheesey Psh, my brother said his friend hit 200 dbzzzz with two Cadence 12s in a ext. cab s-dime. At which point I came to the decision to tell him he knows nothing.
04-15-2008 02:28 AM
mattison187 pfft. 190 is cake! pyle 90,000 watt amp & a xplode 99,999 12"= 220db @ 22hz all day!
04-15-2008 02:23 AM
eagle12s 30,000? the last van i saw had 94,000w and from what ive read on this and other forums there have been cars built with ~200,00w and not reached 190db



-Drew
04-15-2008 02:07 AM
creyc Is there even a meter accurate to the 190s?
03-25-2008 11:38 PM
-12+VoLt=ShOcKeR Phhhhh guy from work said he did 240 dbzz with 2 ma audio 15's and ma audio 4000 watt amp, in the trunk of a 99 caddie..... so he got this guy beat by double...
03-25-2008 11:37 PM
BiggBoy so guy said he did it its on you tube but i cant find it
03-25-2008 11:20 PM
mike0 thats impossible!
even with 30,000 watts
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